Remote code execution in WebKit in Apple iOS and iPadOS



Published: 2021-03-08
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-1844
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Apple iOS
Operating systems & Components / Operating system

iPadOS
Operating systems & Components / Operating system

Vendor Apple Inc.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU51268

Risk: High

CVSSv3.1:

CVE-ID: CVE-2021-1844

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing web content in WebKit. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Apple iOS: 14.2 18B92, 14.0 18A373, 14.4 18D52

iPadOS: 14.0 18A373 - 14.4 18D52

CPE2.3 External links

http://support.apple.com/en-us/HT212221

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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